Also available are the Revolver series seat knob screws. 1/4-20 threads for all current HD bikes. These are also available in black and polished stainless (and come with .22 brass). Windsheild trim screw sets are available to accommodate Road Glides, Classics (1996-2013), and Classics (2014-2016). Pricing starts at $39.95. Seat knobs are. $19.95.